title: Heterogeneity in von Willebrand's disease.
mesh_terms: D005169:Factor VIII / Q000032:analysis; D005260:Female; D006801:Humans; D008297:Male; D010974:Platelet Aggregation / Q000187:drug effects; D012310:Ristocetin / Q000494:pharmacology; D014842:von Willebrand Diseases / Q000097:blood / Q000175:diagnosis*; D014841:von Willebrand Factor / Q000032:analysis
chemical_list: D014841:von Willebrand Factor; D012310:Ristocetin; D005169:Factor VIII